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16 Cards in this Set
- Front
- Back
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what does SAME DAVE stand for?
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- sensory afferent
- motor efferent - dorsal afferent - ventral efferent |
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How many cervical vertebrae do you have? thoracic? lumbar?
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- cervical C1-C7
- thoracic T1-T12 - Lumbar L1-L5 |
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_______ is where the spinal cord runs. The facets are important for attaching ribs & vertebrae. What creates the intervertebral foramen where the spinal nerves emerge?
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- inferior & superior vertebral facets
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What are the layers of meninges & the spaces between them? where is the CSF found?
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- dura - arachnoid - pia
- inbetween the vertebrae & dura --> epidural - inbetween the dura & arachnoid mater --> subdural space - inbetween arachnoid & pia --> subarachnoid space - CSF is found in the subarachnoid space |
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What vertebrae level does the cauda equina start at?
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- L1
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What is the conus medullaris?
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- terminal end of the spinal cord around the area of L1
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Difference between lumbar puncture/epidural anesthesia? What level would you look for them at?
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- lumbar puncture - subarachnoid space
- epidural anesthesia - epidural space - iliac crest - L4 |
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What happens in a disc herniation?
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- nucleus pulposis can herniate out past the annulus fibrosus under stress & impinge nerve coming out
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How many vertebrae / nerves are there? List where they're coming from
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- vertebrae: C 7, T 12, L 5, S 5, Co 1 = 30
- spinal nerves: C 8, T 12, L 5, S 5, Co 1 = 31 |
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What is unique about the spinal nerves in the cervical region?
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- above C7 nerves are named for the vertebrae below them - i.e. C8 comes about below vertebrae C7
- below C7 is nerve C8 & below T1 there is T1, T2 below is T2, etc |
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Once the typical spinal nerve forms what does it branch off into?
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- branches into dorsal rami which supplies the true back
- ventral rami which supplies the rest of the body |
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the ______ horn is where the visceral motor neurons have all their axons
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- intermediolateral
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the _______ rami give rise to the intercostal nerve at each vertebral level
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- ventral primary rami
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What dermatomal level is the nipple? umbilicis?
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- T4 - nipple
- T10 - umbilicus |
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______ in the cervical lumbar & sacral regions form plexi
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- ventral primary rami
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what levels is the sciatic nerve?
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- L4-S3
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